/Engine/Plugins/Animation/ControlRig/Source/ControlRig/Public/Rigs/RigHierarchy.h
Returns all element keys of this hierarchy
The keys of all elements
[TArray](API\Runtime\Core\Containers\TArray)< [FRigElementKey](API\Plugins\ControlRig\Rigs\FRigElementKey) > GetAllKeys ( bool bTraverse, [ERigElementType](API\Plugins\ControlRig\Rigs\ERigElementType) InElementType ) const